package com.example.demo;

import com.example.demo.bean.CustomerProperties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.boot.context.event.EventPublishingRunListener;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.event.ApplicationEventMulticaster;
import org.springframework.context.event.SimpleApplicationEventMulticaster;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.core.env.Environment;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.stereotype.Component;

/**
 * Author: wuhaoduan
 * Date: 2021/4/13 9:45
 */
@EnableConfigurationProperties(CustomerProperties.class)
public class AutoComfig {

    @Bean
    @ConditionalOnProperty(prefix = "sai.auto", name = "enable", havingValue = "true")
    CommandLineRunner creatCustomerCommandLineRuning(Environment e){
        return new CustomerCommandLineRuning(e);
    }

    @Bean(AbstractApplicationContext.APPLICATION_EVENT_MULTICASTER_BEAN_NAME)
    ApplicationEventMulticaster customerApplicationEventMulticaster(ThreadPoolTaskExecutor taskExecutor){
        SimpleApplicationEventMulticaster eventMulticaster = new SimpleApplicationEventMulticaster();
        eventMulticaster.setTaskExecutor(taskExecutor);
        return eventMulticaster;
    }


    /**
     * 自定义事件
     */
    static class NoticeEvent extends ApplicationEvent {

        private static final Logger logger = LoggerFactory.getLogger(NoticeEvent.class);

        /**
         * 存储信息
         */
        private final String message;

        public NoticeEvent(String message){
            super(message);
            this.message = message;
            logger.info("添加事件成功！message: {}", message);
        }

        public String getMessage(){
            return message;
        }

    }

    /**
     * 自定义事件监听器，监听{@link NoticeEvent}事件
     */
    @Component
    static class NotionListener implements ApplicationListener<NoticeEvent> {
        private static final Logger logger = LoggerFactory.getLogger(NotionListener.class);

        @Override
        public void onApplicationEvent(NoticeEvent noticeEvent) {
            logger.info("事件监听器监听到NoticeEvent,睡眠2妙。。。");
            try{
                Thread.sleep(2000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            logger.info("NoticeEvent 的 message属性是：{}",noticeEvent.getMessage());
        }
    }

    /**
     * 自定义ApplicationReadyEvent事件监听器
     */
    @Component
    public static class ReadyListener implements ApplicationListener<ApplicationReadyEvent>{

        private static final Logger logger = LoggerFactory.getLogger(NotionListener.class);

        @Override
        public void onApplicationEvent(ApplicationReadyEvent applicationReadyEvent) {
            ConfigurableApplicationContext applicationContext = applicationReadyEvent.getApplicationContext();
            logger.info("当前是ApplicationReadyEvent");
        }
    }
}
